{"data":{"slug":"xh-agents-paid-apis","name":"XH Agents paid APIs","description":"Two x402-paid endpoints settled in USDC on Base. POST /api/kb/ask costs 0.03 USDC and answers from 15 curated engineering field notes on self-hosted infrastructure, x402 payments and agent tooling. POST /api/chat costs 0.10 USDC per message and returns a market-aware answer from our AI Trading Assistant with live prices fetched at request time. Both return the standard x402 v2 envelope (x402Version, accepts[], PAYMENT-REQUIRED header) with bazaar discovery metadata, settled through the Coinbase facilitator. 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